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Case Conversion Functions

From: Volkan YAZICI <yazicivo(at)ttnet(dot)net(dot)tr>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Case Conversion Functions
Date: 2005-12-26 21:41:46
Message-ID: 20051226214146.GB527@alamut (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers

There're lots of places in the code which uses either pg_tolower()
or just tolower() - without aware of MB characters; or some
on-their-own implementations of pg_tolower(). (Actually, AFAIK,
whole MB case conversion is broken in -rHEAD.)

For instance, consider backend/utils/adt/{like.c, like_match.c}
file. Some lines of iwchareq() are a duplication of pg_tolower().

Another example:
  152 else if (ch >= 0x80 && isupper(ch))
  153     ch = tolower(ch);

Is this an intended behaviour or they're waiting for somebody to
clean them up.



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